4 INGREDIENT BUTTER COOKIES How to make this super easy 4 ingredient Butter Cookie Crunch that melts in your mouth. Here's what you'll need: 1 and ½ cup softened butter (340g) salted butter 3/4 cup icing sugar (100g) 2 teaspoon vanilla extract (10ml) 2 and 3/4 cups all purpose flour (350g) 1. Preheat oven at 350F or 180C. Beat room temperature butter until creamy. 2. Add icing sugar and vanilla extract. Mix until light and fluffy. 3. Then add flour in two additions. Mix after every addition. The